Optical trapping of single aerosol particles

Selected References

M. Azizbaig Mohajer, M. Gleichweit, G. David, L. Ban, F. Graber, and R. Signorell
„Electric charge effect on the water mass transfer across mixed aqueous-organic droplet interfaces”
J. Phys. Chem. A, 129, 45, 10550-10558 (2025)
DOI: external page 10.1021/acs.jpca.5c06517

A. Stoellner, I.C.D. Lenton, A.G. Volosniev, J. Millen, R. Shibuya, H. Ishii, D. Rak, Z.Alpichshev, G. David, R. Signorell, C. Muller, and S. Waitukaitis
„Using optical tweezers to simultaneously trap, charge and measure the charge of a microparticle in air”
Phys. Rev. Lett., 135, 218202, (2025)
DOI: external page 10.1103/5xd9-4tjj

K. Zhang, G. David, Y. Zhao, H. Xiao, R. Signorell, and C. Li
„Resonance-driven discrete growth and chemical reactivity of optically levitated droplets”
Research,  8, 0813 (2025)
DOI: external page 10.34133/research.0813

T. Kraus, G. David, M. Gleichweit, L. Höhner, and R. Signorell
„Imaging of phase transitions in single levitated aerosol particles using digital in-line holography”
Proc. SPIE, 13529, Holography: Advances and Modern Trends IX, 1352903 (2025)
DOI: external page 10.1117/12.3056341.full

M. Azizbaig Mohajer*, P. Basuri*, A. Evdokimov, G. David, D. Zindel, E. Miliordos, and R. Signorell
„Spontaneous formation of urea from carbon dioxide and ammonia in aqueous droplets”
Science, 388, 1426-1430 (2025)
DOI: external page 10.1126/science.adv2362
* denotes equal contribution

F. Stollberger, M. Gleichweit, R. Signorell, and A. Bergmann
„Multi-frequency photothermal interferometry of single aerosol particles”
J. Aerosol Sci., 189, 106621 (2025)
DOI: external page 10.1016/j.jaerosci.2025.106621

G. David and R. Signorell
„Light absorption and scattering of core–shell aerosol particles”
Applied Optics, 64, 16, 4521-4533 (2025)
DOI: external page 10.1364/AO.555468

M. J. Gleichweit, M. Azizbaig Mohajer, D. Borgeaud dit Avocat, M. Divéky, G. David and R. Signorell
„Unexpected concentration dependence of the mass accommodation coefficient of water on aqueous triethylene glycol droplets”
Phys. Chem. Chem. Phys., 26, 16296-16308 (2024)
DOI: external page 10.1039/D4CP00966E

F.W. Stollberger, M.J. Gleichweit, G. David, R. Signorell, A. Bergmann
„Direct Influence of Aerosol Particles on Cavity Enhanced Spectroscopy: Modeling and first experimental results”
Aero. Sci. & Tech., 58, 389–400 (2024)
DOI: external page 10.1080/02786826.2023.2292810

P.C. Arroyo*, M.J. Gleichweit*, M.E. Diveky and R. Signorell
„A Multilayer Heat and Mass Transfer Model for Photoacoustics of Aerosol Particles”
Aero. Sci. & Tech., 57, 742-757 (2023)
doi: external page 10.1080/02786826.2023.2206450

S. Ishizuka, O. Reich, G. David and R. Signorell
„Photo-Induced Shrinking of Aqueous Glycine Aerosol Droplets”
Atmos. Chem. Phys., 23, 5393–5402 (2023)
doi: external page 10.5194/acp-23-5393-2023

O. Reich, M.J. Gleichweit, N. Leemann, G. David and R. Signorell
„Hygroscopic growth of single atmospheric sea salt aerosol particles from mass measurement in an optical trap”
Environ. Sci.: Atmos., 3, 695 (2023)
doi: 10.1039/D2EA00129B

M.J. Gleichweit, M.A. Mohajer, D. Borgeaud, M.E. Diveky, G. David and R. Signorell
„Coupling between modulated Mie scattering and photoacoustic signal generation in optically trapped, single aerosol particles”
Proc. SPIE, 12198, Optical Trapping and Optical Micromanipulation XIX, 1219805 (2022)
doi: external page 10.1117/12.2633423

E.A. Parmentier, P.C. Arroyo, R. Gruseck, L. Ban, G. David and R. Signorell
„Charge effects on the photodegradation of single optically trapped oleic acid aerosol droplets”
J. Phys. Chem. A., 126, 4456-4464 (2022)
doi: external page 10.1021/acs.jpca.2c01370

P.C. Arroyo, G. David, P.A. Alpert, E.A. Parmentier, M. Ammann and R. Signorell
„Amplification of light within aerosol particles accelerates in-​particle photochemistry”,
Science, 376, 293-​296 (2022)
doi: external page 10.1126/science.abm7915

X. Kong, S. Zhu, A. Shavorskiy, J. Li, W. Liu, P. Corral Arroyo, R. Signorell, S. Wang and J. Pettersson
„Surface solvation of martian analogous salts at low relative humidities”
Environ. Sci. Atmos., 2, 137-​145 (2022)
doi: external page 10.1039/D1EA00092F

O.R. Reich, G. David, R. Signorell
„Anharmonic aerosol particle dynamics at Mie resonances in modulated counter-​propagating optical tweezers”
Proc. SPIE 11798, Optical Trapping and Optical Micromanipulation XVIII, 1179827 (2021)
doi: external page 10.1117/12.2593583

M. Diveky, M. Gleichweit, S. Roy and R. Signorell
„Shining new light on the kinetics of water uptake by organic aerosol particles”
J. Phys. Chem. A, 125, 3528-​3548 (2021)
doi: external page 10.1021/acs.jpca.1c00202

E.A. Parmentier, G. David, P. Corral Arroyo, S. Bibawi, K. Esat and R. Signorell
„Photochemistry of single optically trapped oleic acid droplets”
J. Aerosol Sci., 151, 105660 (2021)
doi: external page 10.1016/j.jaerosci.2020.105660

O. Reich, G. David, K. Esat and R. Signorell
„Weighing picogram aerosol droplets with an optical balance”
Commun. Phys., 3, 223 (2020)
doi: external page 10.1038/s42005-020-00496-x

G. David, E.A. Parmentier, I. Taurino and R. Signorell
„Tracing the composition of single e-cigarette aerosol droplets in situ by laser-trapping and Raman scattering”
Sci. Rep., 10, 7929 (2020)
link: external page https://rdcu.be/b38Hc

M.E. Diveky*, S. Roy*, G. David, J.W. Cremer and R. Signorell
„Fundamental investigation of photoacoustic signal generation from single aerosol particles at varying relative humidity  ”
Photoacoustics, 18, 100170 (2020)
doi: external page 10.1016/j.pacs.2020.100170
* denotes equal contribution

S. Roy*, M.E. Diveky* and R. Signorell
„Mass accommodation coefficients of water on organics from complementary photoacoustic and light scattering measurements on laser-trapped droplets”
J. Phys. Chem. C, 124, 2481-2489, 2020.
doi: external page 10.1021/acs.jpcc.9b09934
* denotes equal contribution

G. David, O. Reich, M.E. Divéky, S. Roy, E.A. Parmentier, J.W. Cremer, K. Esat, and R. Signorell
„Characterization and control of droplets optically trapped in air"
SPIE Proceedings Volume 11083, Optical Trapping and Optical Micromanipulation XVI, 1108322 (2019)
doi: external page 10.1117/12.2528743

M.E. Divéky*, S. Roy*, J.W. Cremer, G. David and R. Signorell
„Assessing relative humidity dependent photoacoustics to retrieve mass accommodation coefficients of single optically trapped aerosol particles"
Phys. Chem. Chem. Phys., 21, 4721-4731 (2019)
doi: external page 10.1039/C8CP06980H
* denotes equal contribution

G. David, K. Esat, I. Thanopulos and R. Signorell
„Digital holography of optically-trapped aerosol particles"
Communications Chem., 1, 46 (2018)
doi: external page 10.1038/s42004-018-0047-6

K. Esat, G. David, T. Poulkas, M. Shein and R. Signorell
„Phase transition dynamics of single optically trapped aqueous potassium carbonate particles"
Phys. Chem. Chem. Phys., 20, 11598-11607 (2018)
doi: external page 10.1039/c8cp00599k

P.A. Covert, J.W. Cremer and R. Signorell
„Photoacoustic absorption spectroscopy of single optically trapped aerosol droplets” in Optical Trapping and Optical Micromanipulation XIV, Proceedings of SPIE, edited by K. Dholaki and G.C. Spalding (SPIE, San Diego, 2017), pp. 1034729
doi: external page 10.1117/12.2275627

J. Cremer, P. Covert, E. Parmentier and R. Signorell
„Direct measurement of photoacoustic signal sensitivity to aerosol particle size”
J. Phys. Chem. Lett., 8, 3398-3403 (2017)
doi: external page 10.1021/acs.jpclett.7b01288

J.W. Cremer, K.M. Thaler, C. Haisch, R. Signorell
„Photoacoustics of single laser-trapped nanodroplets for the direct observation of nanofocusing in aerosol photokinectics”
Nat. Commun., 7, 10941 (2016)
doi: external page 10.1038/ncomms10941

G. David, K. Esat, I. Ritsch, and R. Signorell
„Ultraviolet broadband light scattering for optically-trapped submicron-sized aerosol particles”
Phys. Chem. Chem. Phys., 18, 5477-5485 (2016)
doi: external page 10.1039/c5cp06940h

G. David and R. Signorell
„Quadruple Bessel beam trap for single droplet studies”, in „Proc. SPIE 9548, Optical Trapping and Optical Micromanipulation XII”
95480D (August 25, 2015), edited by K. Dholakia and G. C. Spalding (San Diego, California, USA, 2015), Vol. 9548, pp. 95480D
doi: external page 10.1117/12.2186768

G. David, K. Esat, S. Hartweg, J. Cremer, E. Chasovskikh, and R. Signorell
„Stability of aerosol droplets in Bessel beam optical traps under constant and pulsed external forces”
J. Chem. Phys., 142 (15), 154506 (2015)
doi: external page 10.1063/1.4917202